Why is it that when it's raining, the relative humidity isn't 100%?

Moisture problems show up everywhere in HVAC systems. Knowing how humidity behaves in air can make troubleshooting ...

The humidity has been critically low over the past few days, generally below 30%. What exactly is relative humidity, and how ...

Meteorologists are clarifying the difference between dew point and relative humidity as parts of the Southeast brace for a warm, sticky weekend with scattered showers. Dew point measures the actual ...

NORFOLK, Va. — Most summer days, you hear us talk about “humidity” when describing how the air feels. While many people are familiar with the term relative humidity — the percentage of water vapor in ...

If you think this summer has felt extra sticky and sweltering hot in Ohio and Kentucky, you're not alone. Greater Cincinnati has spent much of the summer trying to stay cool, as the area has been ...

Humidity is an extremely important parameter in the protection of cultural heritage. Despite this its climatology has not been frequently studied. A range of instruments have been available for many ...

Every summer, I get asked this question: "Why don't you use relative humidity? I don't care about the dew point." The thing is - you should care about the dew point more. The dew point is quite ...

A viewer asks, if it's raining outside, but the humidity gauge only reads 74%, shouldn't it be 100%? Ray Petelin has the ...